Found on the MoHP forum https://www.hpmuseum.org/forum/thread-23365-post-202412.html#pid202412
See also the interesting http://www.luschny.de/math/zeta/The-Bernoulli-Manifesto.html which convinced Donald Knuth to correct the definition of the Bernoulli number B_1 in his book Concrete Mathematics.
The index http://www.luschny.de/math/index.htm gives a good overview (in german).